1 /* SPDX-License-Identifier: GPL-2.0 */ 2 #ifndef _LINUX_OF_DEVICE_H 3 #define _LINUX_OF_DEVICE_H 4 5 #include <linux/platform_device.h> 6 #include <linux/of_platform.h> /* temporary until merge */ 7 8 #include <linux/of.h> 9 10 struct device; 11 struct of_device_id; 12 struct kobj_uevent_env; 13 14 #ifdef CONFIG_OF 15 extern const struct of_device_id *of_match_device( 16 const struct of_device_id *matches, const struct device *dev); 17 18 /** 19 * of_driver_match_device - Tell if a driver's of_match_table matches a device. 20 * @drv: the device_driver structure to test 21 * @dev: the device structure to match against 22 */ 23 static inline int of_driver_match_device(struct device *dev, 24 const struct device_driver *drv) 25 { 26 return of_match_device(drv->of_match_table, dev) != NULL; 27 } 28 29 extern ssize_t of_device_modalias(struct device *dev, char *str, ssize_t len); 30 31 extern void of_device_uevent(const struct device *dev, struct kobj_uevent_env *env); 32 extern int of_device_uevent_modalias(const struct device *dev, struct kobj_uevent_env *env); 33 34 int of_dma_configure_id(struct device *dev, 35 struct device_node *np, 36 bool force_dma, const u32 *id); 37 static inline int of_dma_configure(struct device *dev, 38 struct device_node *np, 39 bool force_dma) 40 { 41 return of_dma_configure_id(dev, np, force_dma, NULL); 42 } 43 44 void of_device_make_bus_id(struct device *dev); 45 46 #else /* CONFIG_OF */ 47 48 static inline int of_driver_match_device(struct device *dev, 49 const struct device_driver *drv) 50 { 51 return 0; 52 } 53 54 static inline void of_device_uevent(const struct device *dev, 55 struct kobj_uevent_env *env) { } 56 57 static inline int of_device_modalias(struct device *dev, 58 char *str, ssize_t len) 59 { 60 return -ENODEV; 61 } 62 63 static inline int of_device_uevent_modalias(const struct device *dev, 64 struct kobj_uevent_env *env) 65 { 66 return -ENODEV; 67 } 68 69 static inline const struct of_device_id *of_match_device( 70 const struct of_device_id *matches, const struct device *dev) 71 { 72 return NULL; 73 } 74 75 static inline int of_dma_configure_id(struct device *dev, 76 struct device_node *np, 77 bool force_dma, 78 const u32 *id) 79 { 80 return 0; 81 } 82 static inline int of_dma_configure(struct device *dev, 83 struct device_node *np, 84 bool force_dma) 85 { 86 return 0; 87 } 88 89 static inline void of_device_make_bus_id(struct device *dev) {} 90 91 #endif /* CONFIG_OF */ 92 93 #endif /* _LINUX_OF_DEVICE_H */ 94